[Vulkan] Make expand_copy resizable and fully delegate dynamic transformer blocks - #23254

Draft

mergennachin wants to merge 8 commits into

gh/mergennachin/37/headfrom

gh/mergennachin/38/head

Commits on Sep 29, 2026

[INITIAL] Recreate the Vulkan transformer and conformance stack with ghstack
mergennachin
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8d46517
[UPDATE] Add FP16 exponent and intermediate-rounding regression tests
mergennachin
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b82ffd0

Commits on Oct 3, 2026

[UPDATE] Rebase remaining Vulkan stack onto main after parts 1–3 landed
mergennachin
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2cbaeb8
[UPDATE] Cover exact FP16 halfway rounding in texture reductions
mergennachin
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f4df69e
[UPDATE] Match arg-reduction partitioning to the buffer-only last-dimension kernel; rebase after PR 23243 landed
mergennachin
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08afd6a
[UPDATE] Add exact FP16 zero/subnormal and overflow-threshold coverage
mergennachin
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32bf253
[UPDATE] Exercise int32 reduction shaders directly beyond the removed clamp
mergennachin
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c7cbf9d
[UPDATE] Keep any.dim without keepdim on CPU to avoid unsupported bool buffers
mergennachin
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0f9c2dd